﻿#region License
/*

	Copyright (C) 2008 Oliver Charles, Daniel Hollander

	This program is free software: you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation, either version 3 of the License, or
	(at your option) any later version.

	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with this program.  If not, see <http://www.gnu.org/licenses/>.
	
*/
#endregion

namespace Moebius.Controllers
{
    /// <summary>
    /// Represents a controller that requires a specific interface to be present.
    /// </summary>
    public abstract class InterfaceController<TInterface> : Controller
    {
        private TInterface boundObject;

        /// <summary>
        /// Gets the instance that this controller is controlling.
        /// </summary>
        protected TInterface BoundObject
        {
            get { return boundObject; }
        }

        /// <summary>
        /// Binds this <see cref="InterfaceController{TInterface}"/> to a specific instance.
        /// </summary>
        /// <param name="interfaceInstance">The instance to control.</param>
        public void Bind(TInterface interfaceInstance)
        {
            boundObject = interfaceInstance;
        }

        /// <summary>
        /// Unbinds the interface <typeparamref name="TInterface"/> that has been bound with this <see cref="Controller"/>
        /// </summary>
        public override void Unbind()
        {
            boundObject = default(TInterface);
        }
    }
}